Adding the syntax I want to the Builderfile fixture
Updating parser spec to reflect new tag syntax
Integrating lintv task with lint to make the command output more useful

while still failing correctly
Adding tag specs and adding new syntax to fixture Builderfile
Adding git2go and not about libgit2 dependency
Implementing git tag macros
Implementing git:* tag macros!!!
Installing libgit2 dependency on travis

and not installing tree because we don't really need it (was added a
while ago to aid with debugging)
Attempting to install libgit2 correctly before running tests
Adding libgit2 installation instructions to README

[ci skip]
Removing TODO about documentation libgit2 dependency

since it is now done.
Using more updated version of go-dockerclient

that handles tcp:// slightly more gracefully (though still not
completely correctly)
Merge pull request #2 from modcloth/adding-proper-tagging

Adding proper tagging